// 随便写一些代码，之后要格式化这些代码

const str = "Helo World"

const arr = [
  1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
  15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
  27, 28, 29, 30,
]
